Fix download link

Author: rozza

docs/landing/layouts/partials/quickStart.html

@@ -46,7 +46,7 @@ <h2 id="quickStart">Quick Start</h2>
   </form>
   <div class="hidden-md hidden-sm hidden-xs col-lg-2 col-lg-pull-10 downloadLink">
   <a href="https://oss.sonatype.org/content/repositories/releases/org/mongodb/mongodb-driver/{{$currentReleasedVersion.version}}/"
-        class="btn btn-dark btn-download" target="_blank">Download</a>
+     id="downloadLink" class="btn btn-dark btn-download" target="_blank">Download</a>
   </div>
   </div>